%%{init: {'themeVariables': { 'fontSize': '12px'}}}%%
graph TD
    classDef path fill:#eee,stroke:#000,color:#000
    classDef plan fill:#fff,stroke-width:1px,color:#000
    classDef itemplan fill:#fff,stroke-width:2px,color:#000
    classDef unbatchedplan fill:#dff,stroke-width:1px,color:#000
    classDef sideeffectplan fill:#fcc,stroke-width:2px,color:#000
    classDef bucket fill:#f6f6f6,color:#000,stroke-width:2px,text-align:left

    subgraph "Buckets for queries/refs/books-editors-plural-ref"
    Bucket0("Bucket 0 (root)<br /><br />1: <br />ᐳ: Access[9], Access[10], Object[11]<br />2: PgSelect[8]<br />3: Connection[12]<br />4: ConnectionItems[14]"):::bucket
    Bucket1("Bucket 1 (nullableBoundary)<br />Deps: 12, 14, 11<br /><br />ROOT Connectionᐸ8ᐳ[12]"):::bucket
    Bucket3("Bucket 3 (listItem)<br />Deps: 11<br /><br />ROOT __Item{3}ᐸ14ᐳ[17]"):::bucket
    Bucket4("Bucket 4 (nullableBoundary)<br />Deps: 11, 18<br /><br />ROOT PgSelectSingle{3}ᐸbooksᐳ[18]<br />1: <br />ᐳ: PgClassExpression[24]<br />2: PgSelect[20]<br />3: Connection[25]<br />4: ConnectionItems[27]"):::bucket
    Bucket6("Bucket 6 (listItem)<br /><br />ROOT __Item{6}ᐸ27ᐳ[30]"):::bucket
    Bucket7("Bucket 7 (nullableBoundary)<br />Deps: 31<br /><br />ROOT PgSelectSingle{6}ᐸpeopleᐳ[31]"):::bucket
    end
    Bucket0 --> Bucket1
    Bucket1 --> Bucket3
    Bucket3 --> Bucket4
    Bucket4 --> Bucket6
    Bucket6 --> Bucket7

    %% plan dependencies
    Object11{{"Object[11∈0] ➊<br />ᐸ{pgSettings,withPgClient}ᐳ<br />Dependents: 2"}}:::plan
    Access9{{"Access[9∈0] ➊<br />ᐸ2.pgSettingsᐳ"}}:::plan
    Access10{{"Access[10∈0] ➊<br />ᐸ2.withPgClientᐳ"}}:::plan
    Access9 & Access10 --> Object11
    PgSelect8[["PgSelect[8∈0] ➊<br />ᐸbooksᐳ<br />More deps:<br />- Object[11]"]]:::plan
    __Value2["__Value[2∈0] ➊<br />ᐸcontextᐳ"]:::plan
    __Value2 --> Access9
    __Value2 --> Access10
    Connection12[["Connection[12∈0] ➊<br />ᐸ8ᐳ"]]:::plan
    PgSelect8 --> Connection12
    ConnectionItems14[["ConnectionItems[14∈0] ➊"]]:::plan
    Connection12 --> ConnectionItems14
    __Item17[/"__Item[17∈3]<br />ᐸ14ᐳ"\]:::itemplan
    ConnectionItems14 ==> __Item17
    PgSelectSingle18{{"PgSelectSingle[18∈3]<br />ᐸbooksᐳ"}}:::plan
    __Item17 --> PgSelectSingle18
    PgSelect20[["PgSelect[20∈4]<br />ᐸpeopleᐳ<br />More deps:<br />- Object[11]"]]:::plan
    PgClassExpression24{{"PgClassExpression[24∈4]<br />ᐸ__books__.”id”ᐳ"}}:::plan
    PgClassExpression24 --> PgSelect20
    PgSelectSingle18 --> PgClassExpression24
    Connection25[["Connection[25∈4]<br />ᐸ20ᐳ"]]:::plan
    PgSelect20 --> Connection25
    ConnectionItems27[["ConnectionItems[27∈4]"]]:::plan
    Connection25 --> ConnectionItems27
    __Item30[/"__Item[30∈6]<br />ᐸ27ᐳ"\]:::itemplan
    ConnectionItems27 ==> __Item30
    PgSelectSingle31{{"PgSelectSingle[31∈6]<br />ᐸpeopleᐳ"}}:::plan
    __Item30 --> PgSelectSingle31
    PgClassExpression32{{"PgClassExpression[32∈7]<br />ᐸ__people__.”name”ᐳ"}}:::plan
    PgSelectSingle31 --> PgClassExpression32

    %% define steps
    classDef bucket0 stroke:#696969
    class Bucket0,__Value2,PgSelect8,Access9,Access10,Object11,Connection12,ConnectionItems14 bucket0
    classDef bucket1 stroke:#00bfff
    class Bucket1 bucket1
    classDef bucket3 stroke:#ffa500
    class Bucket3,__Item17,PgSelectSingle18 bucket3
    classDef bucket4 stroke:#0000ff
    class Bucket4,PgSelect20,PgClassExpression24,Connection25,ConnectionItems27 bucket4
    classDef bucket6 stroke:#ff1493
    class Bucket6,__Item30,PgSelectSingle31 bucket6
    classDef bucket7 stroke:#808000
    class Bucket7,PgClassExpression32 bucket7

